@book{91314,
	author = {Pewsey, Arthur, and Neuhauser, Markus,},
	title = {Circular statistics in R /},
	publisher = {Oxford University Press,},
	year = {2013},
	address = {New York :},
	url = {https://ebookcentral-proquest-com.libraryumpsa.idm.oclc.org/lib/kuktemlib-ebooks/detail.action?docID=1480941&query=}
}